Choose the correct word. 1 The Lycurgus cup numbers/dates back to the 4th century. 2 It took over a century to solve/answer the mystery of the colour-changing cup. 3 Locals believe that Stonehenge has got magical qualities/properties. 4 To get a better understanding/idea of this topic, study the extra notes the teacher gave wed us in class. 5 Lasers are now used to count/measure long distances. 6 People who do extreme sports should realise/ comprehend the danger they put themselves into 7 Scientists must think/consider the risks of nanotechnology before they bring out new products.